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# -*- autoconf -*-
# Process this file with autoconf to produce a configure script.
# Copyright (C) 1991, 1993-2010 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
dnl Written by Jim Meyering.
AC_PREREQ([2.62])
# Make inter-release version strings look like, e.g., v6.9-219-g58ddd, which
# indicates that it is built from the 219th delta (in _some_ repository)
# following the v6.9 tag, and that 58ddd is a prefix of the commit SHA1.
AC_INIT([GNU coreutils],
m4_esyscmd([build-aux/git-version-gen .tarball-version]),
[bug-coreutils@gnu.org])
AC_CONFIG_SRCDIR([src/ls.c])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_HEADERS([lib/config.h:lib/config.hin])
AM_INIT_AUTOMAKE([1.11.1 dist-xz color-tests parallel-tests])
AM_SILENT_RULES([yes]) # make --enable-silent-rules the default.
AC_PROG_CC_STDC
AM_PROG_CC_C_O
AC_PROG_CPP
AC_PROG_GCC_TRADITIONAL
AC_PROG_RANLIB
AC_PROG_LN_S
gl_EARLY
gl_INIT
coreutils_MACROS
AC_ARG_ENABLE([gcc-warnings],
[AS_HELP_STRING([--enable-gcc-warnings],
[turn on lots of GCC warnings (for developers)])],
[case $enableval in
yes|no) ;;
*) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
esac
gl_gcc_warnings=$enableval],
[gl_gcc_warnings=no]
)
if test "$gl_gcc_warnings" = yes; then
gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
AC_SUBST([WERROR_CFLAGS])
nw=
# This, $nw, is the list of warnings we disable.
nw="$nw -Wdeclaration-after-statement" # too useful to forbid
nw="$nw -Waggregate-return" # anachronistic
nw="$nw -Wlong-long" # C90 is anachronistic (lib/gethrxtime.h)
nw="$nw -Wc++-compat" # We don't care about C++ compilers
nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib
nw="$nw -Wtraditional" # Warns on #elif which we use often
nw="$nw -Wcast-qual" # Too many warnings for now
nw="$nw -Wconversion" # Too many warnings for now
nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
nw="$nw -Wsign-conversion" # Too many warnings for now
nw="$nw -Wtraditional-conversion" # Too many warnings for now
nw="$nw -Wunreachable-code" # Too many warnings for now
nw="$nw -Wpadded" # Our structs are not padded
nw="$nw -Wredundant-decls" # openat.h declares e.g., mkdirat
nw="$nw -Wlogical-op" # any use of fwrite provokes this
nw="$nw -Wformat-nonliteral" # who.c and pinky.c strftime uses
nw="$nw -Wvla" # warnings in gettext.h
nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
nw="$nw -Wswitch-enum" # Too many warnings for now
nw="$nw -Wswitch-default" # Too many warnings for now
nw="$nw -Wstack-protector" # not worth working around
# things I might fix soon:
nw="$nw -Wfloat-equal" # sort.c, seq.c
nw="$nw -Wmissing-format-attribute" # copy.c
nw="$nw -Wunsafe-loop-optimizations" # a few src/*.c
nw="$nw -Winline" # system.h's readdir_ignoring_dot_and_dotdot
nw="$nw -Wstrict-overflow" # expr.c, pr.c, tr.c, factor.c
# ?? -Wstrict-overflow
gl_MANYWARN_ALL_GCC([ws])
gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
for w in $ws; do
gl_WARN_ADD([$w])
done
gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
gl_WARN_ADD([-Wno-pointer-sign]) # Too many warnings for now
gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
# In spite of excluding -Wlogical-op above, it is enabled, as of
# gcc 4.5.0 20090517, and it provokes warnings in cat.c, dd.c, truncate.c
gl_WARN_ADD([-Wno-logical-op])
gl_WARN_ADD([-fdiagnostics-show-option])
gl_WARN_ADD([-funit-at-a-time])
AC_SUBST([WARN_CFLAGS])
AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
AC_DEFINE([_FORTIFY_SOURCE], [2],
[enable compile-time and run-time bounds-checking, and some warnings])
AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
# We use a slightly smaller set of warning options for lib/.
# Remove the following and save the result in GNULIB_WARN_CFLAGS.
nw=
nw="$nw -Wuninitialized"
nw="$nw -Wunused-macros"
nw="$nw -Wmissing-prototypes"
nw="$nw -Wold-style-definition"
gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
AC_SUBST([GNULIB_WARN_CFLAGS])
# For gnulib-tests, the set is slightly smaller still.
nw=
nw="$nw -Wstrict-prototypes"
gl_MANYWARN_COMPLEMENT([GNULIB_TEST_WARN_CFLAGS],
[$GNULIB_WARN_CFLAGS], [$nw])
AC_SUBST([GNULIB_TEST_WARN_CFLAGS])
fi
AC_FUNC_FORK
optional_bin_progs=
AC_CHECK_FUNCS([chroot],
gl_ADD_PROG([optional_bin_progs], [chroot]))
AC_CHECK_FUNCS([gethostid],
gl_ADD_PROG([optional_bin_progs], [hostid]))
gl_WINSIZE_IN_PTEM
AC_MSG_CHECKING([whether localtime caches TZ])
AC_CACHE_VAL([utils_cv_localtime_cache],
[if test x$ac_cv_func_tzset = xyes; then
AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
#if STDC_HEADERS
# include <stdlib.h>
#endif
extern char **environ;
void unset_TZ (void)
{
char **from, **to;
for (to = from = environ; (*to = *from); from++)
if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
to++;
}
int main()
{
time_t now = time ((time_t *) 0);
int hour_GMT0, hour_unset;
if (putenv ("TZ=GMT0") != 0)
exit (1);
hour_GMT0 = localtime (&now)->tm_hour;
unset_TZ ();
hour_unset = localtime (&now)->tm_hour;
if (putenv ("TZ=PST8") != 0)
exit (1);
if (localtime (&now)->tm_hour == hour_GMT0)
exit (1);
unset_TZ ();
if (localtime (&now)->tm_hour != hour_unset)
exit (1);
exit (0);
}]])],
[utils_cv_localtime_cache=no],
[utils_cv_localtime_cache=yes],
[# If we have tzset, assume the worst when cross-compiling.
utils_cv_localtime_cache=yes])
else
# If we lack tzset, report that localtime does not cache TZ,
# since we can't invalidate the cache if we don't have tzset.
utils_cv_localtime_cache=no
fi])dnl
AC_MSG_RESULT([$utils_cv_localtime_cache])
if test $utils_cv_localtime_cache = yes; then
AC_DEFINE([LOCALTIME_CACHE], [1], [FIXME])
fi
# SCO-ODT-3.0 is reported to need -los to link programs using initgroups
AC_CHECK_FUNCS([initgroups])
if test $ac_cv_func_initgroups = no; then
AC_CHECK_LIB([os], [initgroups])
fi
AC_CHECK_FUNCS([syslog])
if test $ac_cv_func_syslog = no; then
# syslog is not in the default libraries. See if it's in some other.
for lib in bsd socket inet; do
AC_CHECK_LIB([$lib], [syslog], [AC_DEFINE([HAVE_SYSLOG], [1], [FIXME])
LIBS="$LIBS -l$lib"; break])
done
fi
AC_CACHE_CHECK([for 3-argument setpriority function],
[utils_cv_func_setpriority],
[AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <sys/time.h>
#include <sys/resource.h>
]],
[[setpriority (0, 0, 0);]])],
[utils_cv_func_setpriority=yes],
[utils_cv_func_setpriority=no])])
if test $utils_cv_func_setpriority = no; then
AC_CHECK_FUNCS([nice])
fi
case $utils_cv_func_setpriority,$ac_cv_func_nice in
*yes*)
gl_ADD_PROG([optional_bin_progs], [nice])
esac
AC_DEFUN([coreutils_DUMMY_1],
[
AC_REQUIRE([gl_READUTMP])
if test $ac_cv_header_utmp_h = yes || test $ac_cv_header_utmpx_h = yes; then
gl_ADD_PROG([optional_bin_progs], [who])
gl_ADD_PROG([optional_bin_progs], [users])
gl_ADD_PROG([optional_bin_progs], [pinky])
fi
])
coreutils_DUMMY_1
AC_MSG_CHECKING([ut_host in struct utmp])
AC_CACHE_VAL([su_cv_func_ut_host_in_utmp],
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#include <utmp.h>]], [[struct utmp ut; return !sizeof ut.ut_host;]])],
[su_cv_func_ut_host_in_utmp=yes],
[su_cv_func_ut_host_in_utmp=no])])
AC_MSG_RESULT([$su_cv_func_ut_host_in_utmp])
if test $su_cv_func_ut_host_in_utmp = yes; then
have_ut_host=1
AC_DEFINE([HAVE_UT_HOST], [1], [FIXME])
fi
if test -z "$have_ut_host"; then
AC_MSG_CHECKING([ut_host in struct utmpx])
AC_CACHE_VAL([su_cv_func_ut_host_in_utmpx],
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#include <utmpx.h>]], [[struct utmpx ut; return !sizeof ut.ut_host;]])],
[su_cv_func_ut_host_in_utmpx=yes],
[su_cv_func_ut_host_in_utmpx=no])])
AC_MSG_RESULT([$su_cv_func_ut_host_in_utmpx])
if test $su_cv_func_ut_host_in_utmpx = yes; then
AC_DEFINE([HAVE_UTMPX_H], [1], [FIXME])
AC_DEFINE([HAVE_UT_HOST], [1], [FIXME])
fi
fi
GNULIB_BOOT_TIME([gl_ADD_PROG([optional_bin_progs], [uptime])])
AC_SYS_POSIX_TERMIOS()
gl_HEADER_TIOCGWINSZ_NEEDS_SYS_IOCTL
if test $ac_cv_sys_posix_termios = yes; then
gl_ADD_PROG([optional_bin_progs], [stty])
AC_MSG_CHECKING([whether termios.h needs _XOPEN_SOURCE])
AC_CACHE_VAL([su_cv_sys_termios_needs_xopen_source],
[AC_EGREP_CPP([yes], [#include <termios.h>
#ifdef IUCLC
yes
#endif], su_cv_sys_termios_needs_xopen_source=no,
AC_EGREP_CPP([yes], [#define _XOPEN_SOURCE
#include <termios.h>
#ifdef IUCLC
yes
#endif], su_cv_sys_termios_needs_xopen_source=yes,
su_cv_sys_termios_needs_xopen_source=no))])
AC_MSG_RESULT([$su_cv_sys_termios_needs_xopen_source])
test $su_cv_sys_termios_needs_xopen_source = yes &&
AC_DEFINE([TERMIOS_NEEDS_XOPEN_SOURCE], [1], [FIXME])
AC_MSG_CHECKING([c_line in struct termios])
AC_CACHE_VAL([su_cv_sys_c_line_in_termios],
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#if TERMIOS_NEEDS_XOPEN_SOURCE
#define _XOPEN_SOURCE
#endif
#include <sys/types.h>
#include <termios.h>]], [[struct termios t; return !sizeof t.c_line;]])],
[su_cv_sys_c_line_in_termios=yes],
[su_cv_sys_c_line_in_termios=no])])
AC_MSG_RESULT([$su_cv_sys_c_line_in_termios])
test $su_cv_sys_c_line_in_termios = yes \
&& AC_DEFINE([HAVE_C_LINE], [1], [FIXME])
fi
# FIXME: note that this macro appears above, too.
# I'm leaving it here for now. This whole thing needs to be modernized...
gl_WINSIZE_IN_PTEM
gl_HEADER_TIOCGWINSZ_IN_TERMIOS_H
if test $gl_cv_sys_tiocgwinsz_needs_termios_h = no && \
test $gl_cv_sys_tiocgwinsz_needs_sys_ioctl_h = no; then
AC_MSG_CHECKING([TIOCGWINSZ in sys/pty.h])
AC_CACHE_VAL([su_cv_sys_tiocgwinsz_in_sys_pty_h],
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#ifdef WINSIZE_IN_PTEM
# include <sys/stream.h>
# include <sys/ptem.h>
#endif
#include <sys/ioctl.h>
#include <sys/tty.h>
#include <sys/pty.h>]], [[int x = TIOCGWINSZ;]])],
[su_cv_sys_tiocgwinsz_in_sys_pty_h=yes],
[su_cv_sys_tiocgwinsz_in_sys_pty_h=no])])
AC_MSG_RESULT([$su_cv_sys_tiocgwinsz_in_sys_pty_h])
test $su_cv_sys_tiocgwinsz_in_sys_pty_h = yes \
&& AC_DEFINE([GWINSZ_IN_SYS_PTY], [1],
[Define if your system defines TIOCGWINSZ in sys/pty.h.])
fi
# For src/kill.c.
AC_CHECK_DECLS([strsignal, sys_siglist, _sys_siglist, __sys_siglist], , ,
[AC_INCLUDES_DEFAULT
#include <signal.h>])
cu_LIB_CHECK
cu_GMP
# Build df only if there's a point to it.
if test $gl_cv_list_mounted_fs = yes && test $gl_cv_fs_space = yes; then
gl_ADD_PROG([optional_bin_progs], [df])
fi
# Limit stdbuf to ELF systems with GCC
AC_MSG_CHECKING([whether this is an ELF system])
AC_EGREP_CPP([yes], [#if __ELF__
yes
#endif], [elf_sys=yes], [elf_sys=no])
AC_MSG_RESULT([$elf_sys])
if test "$elf_sys" = "yes" && \
test "$GCC" = "yes"; then
gl_ADD_PROG([optional_bin_progs], [stdbuf])
fi
############################################################################
mk="$srcdir/src/Makefile.am"
# Extract all literal names from the definition of $(EXTRA_PROGRAMS)
# in $mk but don't expand the variable references.
# Append each literal name to $optional_bin_progs.
v=EXTRA_PROGRAMS
for gl_i in `sed -n '/^'$v' =/,/[[^\]]$/p' $mk \
| sed 's/^ *//;/^\$.*/d;/^'$v' =/d' \
| tr -s '\\015\\012\\\\' ' '`; do
gl_ADD_PROG([optional_bin_progs], $gl_i)
done
# As above, extract literal names from the definition of $(no_install__progs)
# in $mk but don't expand the variable references.
v=no_install__progs
t=`sed -n '/^'$v' =/,/[[^\]]$/p' $mk \
| sed 's/^ *//;/^\$.*/d;/^'$v' =/d' \
| tr -s '\\015\\012\\\\' ' '`
# Remove any trailing space.
no_install_progs_default=`echo "$t"|sed 's/ $//'`
# Unfortunately, due to the way autoconf's AS_HELP_STRING works, the list
# of default-not-installed programs, "arch hostname su", must appear in two
# places: in this file below, and in $mk. Using "$no_install_progs_default"
# below cannot work. And we can't substitute the names into $mk because
# automake needs the literals, too.
# The compromise is to ensure that the space-separated list extracted
# above matches the literal 2nd argument below.
c="$srcdir/configure.ac"
re='^g''l_INCLUDE_EXCLUDE_PROG(.* [\[\(.*\)\]])'
t=`sed -n '/'"$re"'/{s/'"$re"'/\1/;s/,/ /gp
}' $c`
case $t in
$no_install_progs_default) ;;
*) AC_MSG_ERROR([[internal error: g'l_INCLUDE_EXCLUDE_PROG's 2nd arg, $t,
does not match the list of default-not-installed programs
($no_install_progs_default) also recorded in $mk]],
1) ;;
esac
# Given the name of a variable containing a space-separated list of
# install-by-default programs and the actual list do-not-install-by-default
# programs, modify the former variable to reflect any "do-install" and
# "don't-install" requests.
# I.e., add any program name specified via --enable-install-program=..., and
# remove any program name specified via --enable-no-install-program=...
# Note how the second argument below is a literal, with "," separators.
# That is required due to the way the macro works, and since the
# corresponding ./configure option argument is comma-separated on input.
gl_INCLUDE_EXCLUDE_PROG([optional_bin_progs], [arch,hostname,su])
# Now that we know which programs will actually be built up, figure out
# which optional helper progs should be compiled.
optional_pkglib_progs=
case " $optional_bin_progs " in
*' stdbuf '*) gl_ADD_PROG([optional_pkglib_progs], [libstdbuf.so]) ;;
esac
# Set INSTALL_SU if su installation has been requested via
# --enable-install-program=su.
AC_SUBST([INSTALL_SU])
case " $optional_bin_progs " in
*' su '*) INSTALL_SU=yes ;;
*) INSTALL_SU=no ;;
esac
MAN=`echo "$optional_bin_progs "|sed 's/ /.1 /g;s/ $//'|tr -d '\\015\\012'`
# Change ginstall.1 to "install.h" in $MAN.
MAN=`for m in $MAN; do test $m = ginstall.1 && m=install.1; echo $m; done \
| tr '\015\012' ' '; echo`
# Remove [.1, since writing a portable rule for it in man/Makefile.am
# is not practical. The sed LHS below uses the autoconf quadrigraph
# representing '['.
MAN=`echo "$MAN"|sed 's/\@<:@\.1//'`
OPTIONAL_BIN_PROGS=`echo "$optional_bin_progs "|sed 's/ /\$(EXEEXT) /g;s/ $//'`
AC_SUBST([OPTIONAL_BIN_PROGS])
OPTIONAL_PKGLIB_PROGS=`echo "$optional_pkglib_progs " | sed 's/ $//'`
AC_SUBST([OPTIONAL_PKGLIB_PROGS])
NO_INSTALL_PROGS_DEFAULT=$no_install_progs_default
AC_SUBST([NO_INSTALL_PROGS_DEFAULT])
AM_CONDITIONAL([CROSS_COMPILING], [test "$cross_compiling" = yes])
# Arrange to rerun configure whenever the file, src/Makefile.am,
# containing the list of program names changes.
CONFIG_STATUS_DEPENDENCIES='$(top_srcdir)/src/Makefile.am'
AC_SUBST([CONFIG_STATUS_DEPENDENCIES])
############################################################################
# As long as "grep 'PRI[diouxX]' po/*.pot" reports matches in
# translatable strings, we must use need-formatstring-macros here.
AM_GNU_GETTEXT([external], [need-formatstring-macros])
AM_GNU_GETTEXT_VERSION([0.18])
# For a test of uniq: it uses the $LOCALE_FR envvar.
gt_LOCALE_FR
AC_CONFIG_FILES(
Makefile
doc/Makefile
lib/Makefile
man/Makefile
po/Makefile.in
src/Makefile
tests/Makefile
gnulib-tests/Makefile
)
AC_OUTPUT
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